Quick answers
- Which hospitals does Gregory J. Blythe work at?
- Medicare's official clinician data lists Gregory J. Blythe at 4 hospitals: Buchanan County Health Center, Grundy County Memorial Hospital, Jones Regional Medical Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory J. Blythe see patients?
- Medicare's clinician data lists 2 practice locations, including Marengo, IA. Call before your visit to confirm the address.
- What is Gregory J. Blythe's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Gregory J. Blythe accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Blythe accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is Gregory J. Blythe's NPI number?
- 1396003877. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory J. Blythe works
Medicare's Facility Affiliation Data lists Gregory J. Blythe at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Buchanan County Health CenterIndependence, IA · Critical Access Hospital · CCN 161335
- Grundy County Memorial HospitalGrundy Center, IA · Critical Access Hospital · CCN 161303
- Jones Regional Medical CenterAnamosa, IA · Critical Access Hospital · CCN 161306
- St Lukes HospitalCedar Rapids, IA · Acute Care Hospital · CCN 160045
Practice locations
Addresses where Gregory J. Blythe is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 W May StMarengo, IA 52301
- 300 W May St, Suite AMarengo, IA 52301
Group practices
Medicare enrollment lists Gregory J. Blythe as a member of this group (CMS data updated 2026-10-02).
- Marengo Memorial Hospital43 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Marengo
Clinicians with the same Medicare primary specialty in Marengo, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396003877 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians